Comments

On Sun, 20 Jun 2010, Gerald Pfeifer wrote:
> The doc patch below follows some of the changes to the compiler that> I backport recently and adjusts the flow a bit.
I now committed the following with a minor tweak of the original patch
("enable_d_") to HEAD.
Gerald
2010-07-24 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific, *-*-freebsd*): Adjust to recent
changes. Streamline paragraph on compatibility with the system
compiler.

Patch

Index: doc/install.texi
===================================================================
--- doc/install.texi (revision 162499)+++ doc/install.texi (working copy)@@ -3219,12 +3219,13 @@
FreeBSD 2 (and any mutant a.out variants of FreeBSD 3) was
discontinued in GCC 4.0.
-In GCC 4.5, we enabled the use of @code{dl_iterate_phdr} inside boehm-gc on-FreeBSD 7 or later. In order to better match the configuration of the-FreeBSD system compiler: We also enabled the check to see if libc-provides SSP support (which it does on FreeBSD 7), the use of-@code{dl_iterate_phdr} inside @file{libgcc_s.so.1} (on FreeBSD 7 or later)-and the use of @code{__cxa_atexit} by default (on FreeBSD 6 or later).+In order to better utilize FreeBSD base system functionality and match+the configuration of the system compiler, GCC 4.5 and above as well as+GCC 4.4 past 2010-06-20 leverage SSP support in libc (which is present+on FreeBSD 7 or later) and the use of @code{__cxa_atexit} by default+(on FreeBSD 6 or later). The use of @code{dl_iterate_phdr} inside+@file{libgcc_s.so.1} and boehm-gc (on FreeBSD 7 or later) is enabled+by GCC 4.5 and above.
We support FreeBSD using the ELF file format with DWARF 2 debugging
for all CPU architectures. You may use @option{-gstabs} instead of